ResMed Quattro™ FX cushion  
  ResMed Quattro™ FX (mask cushion only)  Includes the full face cushion for the ResMed Quattro™ FX full face CPAP mask. This purchase does not include the Quattro FX headgear or mask frame system.  
  About the complete ResMed Quattro FX mask system:  
Full face mask, mouth and nose coverage, silicone cushion
A predecessor to today’s popular AirFit™ series
Prescription required for complete mask system